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    • 63. 发明申请
    • A WIND TURBINE
    • WO2022136823A1
    • 2022-06-30
    • PCT/GB2021/053108
    • 2021-11-29
    • HART, Stephen
    • HART, Stephen
    • F03D1/02F03D1/04
    • The present invention provides a compact, lightweight wind turbine design with improved safety to birds. The wind turbine comprises an intake assembly and an output assembly arranged adjacent one another on a common axis, said assemblies being rotatable relative to one another to work a generator that generates electrical energy. Each assembly has an annular ring of aerofoil blades. The intake assembly blades have a first pitch and the output assembly blades have a second pitch that is oriented contrary to first pitch. The intake assembly has a centrally located dome- shaped hub and a peripherally mounted convergent nozzle. The hub and the nozzle are configured to direct air moving through the wind turbine towards the aerofoil blades of the intake and output assemblies. The aerofoil blades of at least one of the intake and output assemblies have an overlapping arrangement such that, when viewed from along the common axis of rotation, it is not possible to see through the wind turbine.
    • 69. 发明申请
    • EFFICIENT WIND ENERGY CONVERTOR WITHOUT GEARBOX OR MULTI-POLE GENERATOR
    • WO2020065345A1
    • 2020-04-02
    • PCT/GB2019/052742
    • 2019-09-27
    • UNIVERSITY OF STRATHCLYDE
    • CARROLL, JamesLEITHEAD, William Edward
    • F03D1/02F03D3/06
    • A vertical axis turbine having a first rotor and at least one second rotor, the first rotor being configured to rotate around a first rotation axis that is vertical or more vertical than horizontal, in use. The first rotor may be configured to be driven and/or rotated by fluid motion, e.g. by wind or water flow. The at least one second rotor is provided on or coupled to the first rotor such that the first rotor is operable to move the second rotor through the fluid and thereby drive the second rotor upon rotation of the first rotor. The second rotor is operable to drive a power take off system. Optionally, rotation of the first rotor around the first rotation axis moves the second rotor around the first rotation axis. Each second rotor rotates around a respective second rotation axis that may be angled or perpendicular to the first rotation axis of the first rotor and is optionally a horizontal axis or at least an axis that is more horizontal than vertical, in use. The first and second rotors are configured so that the power take-off is by direct drive without the need for a gearbox or multi-pole generator. The first and second rotors are configured so that the power conversion of mechanical power at the first rotor is converted to mechanical power at the second rotors has high efficiency.